package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/**
 * @author 冰白寒祭
 * @date 2023-09-01 09:23:08
 * @description 菜品管理
 */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    /**
     * @MethodName: save
     * @Author 冰白寒祭
     * @Description: 新增菜品
     * @Date: 2023/9/1 9:27
     * @param: DishDTO dishDTO
     * @return: Result
     */

    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        // 清理redis缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        clearCache(key);
        return Result.success();
    }


    /**
     * @MethodName: page
     * @Author 冰白寒祭
     * @Description: 菜品分页查询
     * @Date: 2023/9/1 14:23
     * @param: DishPageQueryDTO dishPageQueryDTO
     * @return: Result<PageResult>
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("菜品分页查询{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * @MethodName: delete
     * @Author 冰白寒祭
     * @Description: 批量删除菜品
     * @Date: 2023/9/1  15:06
     * @param: List<Long> ids
     * @return: Result
     */

    @DeleteMapping
    @ApiOperation("批量删除菜品")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除:{}", ids);
        dishService.deleteBatch(ids);
        // 清理redis缓存数据,清理"dish_"开头的
        clearCache("dish_*");

        return Result.success();
    }


    /**
     * @MethodName: getById
     * @Author 冰白寒祭
     * @Description: 根据id查询菜品
     * @Date: 2023/9/1  22:24
     * @param: Long id
     * @return: Result<DishVO>
     */

    @ApiOperation("根据id查询菜品")
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id查询菜品:{}", id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * @MethodName: update
     * @Author 冰白寒祭
     * @Description: 修改菜品数据
     * @Date: 2023-09-01 22:57:21
     * @param: a
     * @return: Result
     */

    @PutMapping
    @ApiOperation("修改菜品数据")
    public Result update(@RequestBody DishDTO dishDTO) {
        log.info("修改菜品:{}", dishDTO);
        dishService.updateWithFlavor(dishDTO);

        // 清理redis缓存数据,清理"dish_"开头的
        clearCache("dish_*");
        return Result.success();
    }


    /**
     * 菜品起售停售
     *
     * @param status
     * @param id
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status, Long id) {
        dishService.startOrStop(status, id);

        //将所有的菜品缓存数据清理掉，所有以dish_开头的key
        clearCache("dish_*");

        return Result.success();
    }

    /**
     * @MethodName: list
     * @Author 冰白寒祭
     * @Description: 根据分类id查询菜品
     * @Date: 2023-09-02 08:54:05
     * @param: categoryId
     * @return: Result<List < Dish>>
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result<List<Dish>> list(Long categoryId) {
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }


    private void clearCache(String pattern) {
        Set key = redisTemplate.keys(pattern);
        if (key != null) {
            redisTemplate.delete(key);
        }
    }
}
